What Is Harley Stage 4

Stage 40 are maximum output heads for an OE casting.

What is harley stage 4. He is referring to the cams included in the se. Features new CNC-ported heads with 1mm bigger valves and fully machined combustion chambers. Shifting at 5000-5250 is probably the sweet spot in an all out sprint.

To start with The stage 4 kit does not come with the compressor heads. In many cases it would include a larger throttle body injectors depending on the specific model. Screamin Eagle components are the key to greater acceleration increased passing muscle more of that rip.

And for the sake of comparison and to better explain our menu of upgrade options and power gains expected it is worth noting that the most popular engine in the Harley range is the 96 Cube 1600 cc as. The SE Stage 4 which I have has a nicely designed broad torque curve that has a balanced profile between a torque cam and a top ender. Delivering a boost in both displacement and air flow through the engine these complete kits were developed to deliver maximum horsepower from the.

New cams - Harley Davidson Community HTH Randall. So before you opt for one of our legendary Stage 1 2 or 3 Full House Harley upgrades be sure you know what it is you want when it comes to the performance of your Harley-Davidson. This kit makes 105-110 hp and 110-115 ft lbs on a consistent basis straight out of the box without a great exhaust.

This Stage IV Kit was designed to deliver maximum horsepower all the way to the redline. The difference between the standard 103HO and the Stage 4 kit is chalk and cheese. It isnt until 4500 RPM that the Stage 4 really comes to life pouring the power on until it redlines at 6500rpm.

All of the gaines are in the upper end of the powerband. By getting a Harley stage kit you dont have to spend a bunch of time researching and piecing things out. The Stage 4 117 makes less power than a stock 114 up until 3000rpm when it starts to take off.